Troubleshooting
UPS Alarm Messages
The UPS Alarm LED is activated during Alarm and Fault Conditions.
Alarm LED Conditions
Environment temperature > 55C
BTS temperature reading is below
-20C
BTS temperature reading is
greater than 49C
Battery voltage lower than 42.5V
for SMART1548ET and lower than
21.3V for SMART1524ET
LCD Alarm Displays
Temp Derat
Bat
Temperature
Low
BattTemp
High
Battery
There is no special alarm window
Voltage Under
POP at this condition
46